Chiayo NDR-2120 Manuale utente
CHIAYO ELECTRONICS CO., LTD.
Operation manual
NDR-2120
VHF 1/2 19" Dual-Channel Auto Sync
Diversity Receiver
CH SYNC CH SYNCMIN MAX MIN PWR MAX
NDR-2120
WIRELESS RECEIVE R
RF AFIR SQ RF AFIR SQ
90
1
NDR-2120 VHF 1/2 19" Dual-Channel Auto Sync Diversity Receiver
Thank you for choosing this wireless microphone system! For more details, please take a few
moments to read this operating manual to have a thorough understanding of the function and
operation of both transmitter and receiver.
In the box
NDR-2120 receiver
2 handheld / beltpack transmitters
(optional)
audio cable
switching adaptor
operation manual
** Remark: The above specifications are subject to change without prior notice.
Important
1.Please make sure that the output DC voltage range of the switching power covers that
specified by the receiver before turning it on.
2.The RF indicator will glow to denote RF signal received after turning on the transmitter.
3.The receiver and transmitter must be the same frequency.
4.While using the transmitter, the audio signal indicator will glow to denote audio signal
received.
CH SYN C CH SYN CMIN MA X MIN PW R MAX
NDR-2120
WIRE LESS RE CEIVE R
RF AFIR SQ RF AFIR SQ
90
S
D
R
-
590
0
UH
F雙頻
道數位鎖
定
自動
對
頻自動
選
訊無線麥克風
系
統
2
Instructions
Parts and functions
CH-A
CH-B
Channel scan button
Channel sync button
IR sensor LED
RF signal indicator
Audio signal indicator
Squelch control
Squelch control
Audio signal indicator
RF signal indicator
IR sensor LED
Channel sync button
Channel scan button
CH SYNC CH SYNCMIN MAX MIN PWR MAX
NDR-2120
WIRELESS RECEIVER
RF AFIR SQ RF AFIR SQ
90
DC 12V
POWER ANT.B ANT.AMIC LINE
OUTPUT B OUTPUT A
MIXED SEPERATE
OUTPUT
MODELEVEL
Mixed audio output switch
CHA unbalanced audio output
CHB / A+B unbalanced audio output
MIC/LINE output impedance switch
DC input
CH-B
Channel
indicator
Antenna B
Power / CH-B
volume control
Antenna A
CH-A volume control
CH-A
Channel
indicator
3
NDR-2120 VHF 1/2 19" Dual-Channel Auto Sync Diversity Receiver
Adjusting volume level
Both channel’s volume level can be adjusted separately by rotating its designated
volume knob.
Scanning & changing channel
First turn on main power switch, the 7-segment channel indicator will display current channel
number.
For an interference- free operation, a cleaner channel might be necessary if the current one
receives too much interference. Before scanning, the transmitter must be switched off.
1.Hold ▲button until the channel indicator
flashes to denote readiness for setting.
2.Press ▲button and the receiver will scan
and stop at the next clean channel. The
setting will be saved automatically.
Channel synchronizing of the receiver and transmitter
Align infrared areas of the receiver and transmitter within 10~30cm.
CH SYNC MIN PWR MAX
RF AFIR SQ
NDR-2110 WIRELESS RECEIVER
9
CH SYNC MIN PWR MAXRF AFIR SQ
NDR-2110 WIRELESS RECEIVER
3
CH SYNC MIN PWR MAXRF AFIR SQ
NDR-2110 WIRELESS RECEIVER
3
CH SYNC MIN PWR MAXRF AFIR SQ
NDR-2110 WIRELESS RECEIVER
3
CH SYNC MIN PWR MAXRF AFIR SQ
NDR-2110 WIRELESS RECEIVER
6
4
Instructions
Changing the transmitter’s channel
Press the sync button on the receiver. The receiver will transmit the frequency to the transmitter
and synchronize the channel.
If it doesn’t work check that you have the IR sensor panels aligned, that they are facing each
other, devices are within 10~30cm of each other, and try again.
Adjusting squelch level
When interference is encountered try reducing the sensitivity of the receiver by turning the SQ
control clockwise, thus less susceptible to interference. If this still does not solve the problem it
means this frequency is not suitable. Adjust the squelch back to where it was and use the scan
function to locate a clear channel.
CH SYNC
6
MIN PWR MAX
NDR-2120
WIRELESS RECEIVER
RF AF SQ
5
NDR-2120 VHF 1/2 19" Dual-Channel Auto Sync Diversity Receiver
Audio output connection
Unbalanced output: ¼” PHONE PLUG connector provides unbalanced audio output signal
from this jack to the mixer/amplifier. Use an audio output cable with ¼” PHONE PLUG
connectors. Connect one end from the unbalanced output jack of the receiver, and the other
end to the “LINE / AUX IN” or “MIC IN” jack of the mixer/ amplifier.
STEP 1: MIC-LINE output level switch
STEP 2: MIXED-SEPARATE output mode switch
LINE/AUX IN
(fig.1)
LINE/AUX IN
(fig.2)
MIC IN (fig.3)
MIC IN (fig.4)
LEVEL
MODE
LEVEL
MODE
LEVEL
MODE
LEVEL
MODE
MIC LINE
LEVEL
MIXED SEPARATE
OUTPUT
MODE
DC12V
POWER ANT.B ANT.AMICLINE
OUTPUTB
MIXED
OUTPUTA
MIXEDSEPERATE
OUTPUT
MODELEVEL
DC12V
POWER ANT.B ANT.AMICLINE
OUTPUTB
MIXED
OUTPUTA
MIXEDSEPERATE
OUTPUT
MODELEVEL
DC12V
POWER ANT.B ANT.AMICLINE
OUTPUTB
MIXED
OUTPUTA
MIXEDSEPERATE
OUTPUT
MODELEVEL
DC12V
POWER ANT.B ANT.AMICLINE
OUTPUTB
MIXED
OUTPUTA
MIXEDSEPERATE
OUTPUT
MODELEVEL
MIC LINE
LEVEL
MIXED SEPARATE
OUTPUT
MODE
MIC LINE
LEVEL
MIXED SEPARATE
OUTPUT
MODE
MIC LINE
LEVEL
MIXED SEPARATE
OUTPUT
MODE
MIC LINE
LEVEL
MIXED SEPARATE
OUTPUT
MODE
1.When connecting to the LINE / AUX IN of a mixer/amplifier, switch to “LINE”
position (fig.1 & 2). DO NOT use the “MIC” position as they may not deliver a
sufficient high output level.
2.When connecting to the “MIC IN” jack of a mixer/amplifier, switch to “MIC”
position (fig.3 & 4). Overload distortion may occur at the wrong level position.
1.When CHANNEL A's audio is delivered with CHANNEL B from OUTPUT B,
slide the OUTPUT MODE to MIXED. (fig.2 & 4)
2.When CHANNEL A & B's audio is delivered from OUTPUT A & B, slide to
SEPARATE. (fig.1 & 3)
※Under SEPARATE mode, OUTPUT B will only deliver CHANNEL B' audio
instead of both channels'.
CH-B only
CH-B only
6
Instructions
Receiver placement
For best operation, the receiver should be at least 1m above the ground
and 1m away from a wall or metal surface to minimize reflections. The
transmitter should also be at least 1m away from a wall or metal surface
to minimize reflections. The transmitter should also be at least 1m away
from the receiver. Keep antennas away from noise source such as
motors, automobiles, neon light as well as large metal objects.
Rack mounting
The slide rail structure on both sides of the receiver is designed to facilitate the user to connect
the two receivers in parallel and quickly install onto the cabinet.
Rack mount of two receivers
Rack mount of single receiver
1m 1m
1m
CHIAYO ELECTRONICS CO., LTD.
Http://www.chiayo.com.tw｜Email: sales@chiayo.com.tw
Office: 30, Lane 27, Section 4, Jen-Ai Road, Taipei 10685, Taiwan
Tel: 886-2-27415741｜Fax: 886-2-27525242
Factory: 88, Chung-Hsiao Street 2, Chiayi 60080, Taiwan
Tel: 886-5-2711000｜Fax: 886-5-5767611 12I1404
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